JPS572969Y2 - - Google Patents
Info
- Publication number
- JPS572969Y2 JPS572969Y2 JP1977024211U JP2421177U JPS572969Y2 JP S572969 Y2 JPS572969 Y2 JP S572969Y2 JP 1977024211 U JP1977024211 U JP 1977024211U JP 2421177 U JP2421177 U JP 2421177U JP S572969 Y2 JPS572969 Y2 JP S572969Y2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/58—Means for varying duration of "open" period of shutter
- G03B9/62—Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/081—Analogue circuits
- G03B7/085—Analogue circuits for control of aperture
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
- G03B9/07—Diaphragms with means for presetting the diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Diaphragms For Cameras (AREA)
- Exposure Control For Cameras (AREA)
- Control Of Position Or Direction (AREA)
- Cameras In General (AREA)
- Shutters For Cameras (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977024211U JPS572969Y2 (de) | 1977-02-28 | 1977-02-28 | |
| US05/874,084 US4139290A (en) | 1977-02-28 | 1978-02-01 | Lens stop auxiliary brake control device in automatic exposure camera of the lens stop value control type |
| GB6122/78A GB1597062A (en) | 1977-02-28 | 1978-02-16 | Method of controlling stopping down of a camera diaphragm aperture and an automatic exposure camera of the aperture control type including a control device for this purpose |
| DE2808548A DE2808548C2 (de) | 1977-02-28 | 1978-02-28 | Steuereinrichtung für eine zusätzliche Bremsmagnetvorrichtung einer Blendensteuervorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977024211U JPS572969Y2 (de) | 1977-02-28 | 1977-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53127532U JPS53127532U (de) | 1978-10-11 |
| JPS572969Y2 true JPS572969Y2 (de) | 1982-01-19 |
Family
ID=12131957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977024211U Expired JPS572969Y2 (de) | 1977-02-28 | 1977-02-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4139290A (de) |
| JP (1) | JPS572969Y2 (de) |
| DE (1) | DE2808548C2 (de) |
| GB (1) | GB1597062A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755605Y2 (de) * | 1977-12-27 | 1982-12-01 | ||
| JPS5821238A (ja) * | 1981-07-29 | 1983-02-08 | Canon Inc | 電子閃光撮影装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3657987A (en) * | 1970-10-27 | 1972-04-25 | Eastman Kodak Co | Self-balancing apparatus for photographic cameras |
| US3757655A (en) * | 1971-12-16 | 1973-09-11 | Minolta Camera Kk | Electronically controlled camera shutter |
| US3820131A (en) * | 1972-07-10 | 1974-06-25 | Minolta Camera Kk | Electronic shutter for camera |
| DE2331857C2 (de) * | 1973-06-22 | 1982-07-22 | Agfa-Gevaert Ag, 5090 Leverkusen | Blendensteuervorrichtung in einer fotografischen Kamera |
| GB1587624A (en) * | 1976-09-06 | 1981-04-08 | Asahi Optical Co Ltd | Automatic exposure camera |
-
1977
- 1977-02-28 JP JP1977024211U patent/JPS572969Y2/ja not_active Expired
-
1978
- 1978-02-01 US US05/874,084 patent/US4139290A/en not_active Expired - Lifetime
- 1978-02-16 GB GB6122/78A patent/GB1597062A/en not_active Expired
- 1978-02-28 DE DE2808548A patent/DE2808548C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1597062A (en) | 1981-09-03 |
| JPS53127532U (de) | 1978-10-11 |
| US4139290A (en) | 1979-02-13 |
| DE2808548A1 (de) | 1978-09-07 |
| DE2808548C2 (de) | 1982-12-30 |